Dr. Pericles J. Ioannides, MD

Dr. Ioannides practices at Adventist Health Sonora in Sonora, California, part of Adventist Health.

Dr. Ioannides' NPI, 1386007367, was assigned on March 29, 2016. Dr. Ioannides graduated from Indiana University School Of Medicine in 2016. Dr. Ioannides holds California license A154867.

Dr. Ioannides' primary practice is Adventist Health Sonora, at 1000 Greenley Road, Sonora, CA 95370 in Tuolumne County. The practice phone is (209) 536-5000.

Dr. Ioannides' primary practice is Adventist Health Sonora in Sonora, California, part of Adventist Health. Dr. Ioannides is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is Adventist Health Sonora. Dmand AI also links Dr. Ioannides to 2 more hospitals and 1 medical group, each named with a free account. Dr. Ioannides' employer is on file too: a hospital.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ioannides practices, 4 sites in all. Vendor and product names are available with a free account.

Radiation oncology is Dr. Ioannides' primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Ioannides is board certified in radiation oncology by the American Board of Radiology. Dr. Ioannides is licensed in California.

Dmand AI lists anal cancer radiation, bladder cancer radiation, bone cancer radiation, brain cancer radiation, brain tumor radiation, breast cancer radiation, cancer radiation-upper GI and colorectal cancer radiation among the conditions Dr. Ioannides treats.

CMS data shows 6,845 Medicare services from Dr. Ioannides across 19 procedure codes in 2024, for 447 Medicare patients. Medicare paid $541,138 for them.

CMS counts 447 Medicare patients who saw Dr. Ioannides in 2024. The largest group is 65 to 74, with 200 patients. 75% of them have cancer, and 71% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.80, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ioannides' median patient age at 76, with 39% women.

In 2024, Dr. Ioannides wrote 765 Medicare Part D claims for 206 patients. 97% of them were for generic drugs. CMS names the drug for 661 of them, across 15 drugs with 11 or more claims each, at $12,847 in total drug cost. In 2023, CMS named 450 claims across 11 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Ioannides for performance year 2024, reported as part of a group. Dr. Ioannides accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ioannides as offering telehealth.

Dmand AI links 4 papers to Dr. Ioannides, published from 2013 to 2020. 2020 was the busiest year, with 2. Dr. Ioannides' most frequent co-authors are Parima Daroui, MD, PhD, Andrew S. Holmes, MD and Randy Li-Hung Wei, MD, PhD.

CMS Open Payments shows 4 general payments to Dr. Ioannides from 4 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Elekta, Inc. paid the most, $145.

Dr. Ioannides serves on ASTRO Early Career Committee.

Dr. Ioannides graduated from Indiana University School Of Medicine in 2016.

Dr. Ioannides is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.